FreeFileSync

A Copy of FreeFileSync Source Code. This repository is just a mirror of the FreeFileSync source code. Please do not send pull requests. Submit issues to the official forum (https://freefilesync.org/forum/). Last free version for commercial use: https://github.com/hkneptune/FreeFileSync/releases/tag/v12.5

Screenshots

FreeFileSync on Windows
Synchronization progress dialog
Trigger synchronizations using RealTimeSync
Flexible interface: customizable panels, right-to-left layout, variable icon sizes

What’s new

Verified 4h ago

Version 14.13 Released 2026-10-28

* Reduced window flickering during resize (Windows 10)
* Prevent process termination on broken pipe errors (Linux/macOS)
* Work around SMB driver dropping modification time (macOS)
* Fixed privilege drop after auto-update (Linux)
* Correctly save minimum folder pair list height (Linux, macOS)

|File|Size|SHA256|
|:--|:--|:--|
|FFreeFileSync_14.13_Windows_Setup.exe|22,175,208|550f3706696d6b630cc4f9ea77f6d4c70cb55cffb3be87b35d077ed9f5da212c|
|FreeFileSync_14.13_macOS.zip|26,178,927|1b68234019cc502ef58cdabf07e72c32caec78384f0588a792198dcd9aa05225|
|FreeFileSync_14.13_Linux_x86_64.tar.gz|21,591,811|f135b397a4fe885113964e2d8939b9accab1a1796518c1d0cf3600423c27d573|

Full release notes →

Official download sources

Each source below has been validated against an approved publisher domain and editorially approved. Links route through a safe internal redirect.

Windows Official

Official repository

Go to official source

Verified checksum File integrity

No threats detected — 0/71 engines VirusTotal ↗

Verify your downloaded file matches the publisher’s official hash before installing.

SHA-256 59170960184d4273d45a563b790aaaf89419682f4018104ad88d1e1ae40f80a9

Platforms: Windows

FreeFileSync compared

A factual, side-by-side overview based only on verified data.

Attribute	FreeFileSync This page	Clowd	WhatsApp-Chat-Exporter	Fontmatrix
Developer	hkneptune	clowd	KnugiHK	Pierre Marchand
Category	Utilities	Utilities	Utilities	Utilities
Platforms	Windows	Windows	Windows	Windows
Official sources	1	1	1	1
Verified official	✓	✓	✓	✓

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Frequently asked questions

Where can I download FreeFileSync safely?

Use the official sources listed on this page. Each link is validated against an approved publisher domain and routes through a safe internal redirect — no third-party or bundled installers.

Which platforms does FreeFileSync support?

FreeFileSync is available for Windows.

Is this the official FreeFileSync download?

Yes. Every source shown here is validated against the publisher’s approved domain and editorially reviewed before being published.

Who develops FreeFileSync?

FreeFileSync is developed by hkneptune.

What are the best alternatives to FreeFileSync?

Popular alternatives include Bombardier, System Informer and ksnip. See the comparison above for a side-by-side overview.

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